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Finding the Fourth Proportional to 5,416.80, 7,598.10 and 5,416.80

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Solution

The fourth proportional to 5,416.80, 7,598.10 and 5,416.80 is: 7,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.80 : 7,598.10 = 5,416.80 : x
  2. Step 2: Convert to fraction form
    5,416.80/7,598.10 = 5,416.80/x
  3. Step 3: Cross multiply
    5,416.80x = 7,598.10 × 5,416.80
  4. Step 4: Simplify right side
    5,416.80x = 41,157,388.08
  5. Step 5: Solve for x
    x = 41,157,388.08/5,416.80
  6. Step 6: Final answer
    x = 7,598.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.